How To Extract Digits From A Number In Java Using For Loop Example


How do I extract numbers from a number in Java?

Using Integer. toString Function (Using inbuilt Method) ... In this approach we will convert the integer into a string then we will traverse the string.

1. Take the integer input.

2. Convert the input into string data.

3. Traverse through the string and print the character at each position that is the digits of the number.

Java Program to Extract Digits from A Given Integer - GeeksforGeeks > java-program-to-extract-digits-from-a-given-inte...

How do I extract digits from a number?

Extracting digits of a number is very simple. When you divide a number by 10, the remainder is the digit in the unit's place. You got your digit, now if you perform integer division on the number by 10, it will truncate the number by removing the digit you just extracted.

Solved Example: Extracting Digits of a Number - KnowledgeBoat > learn > lecture > java-digit-extract

How do you do digit extraction?

Method 1: The simplest way to do is to extract the digits one by one and print it.

1. Extract the last digit of the number N by N%10, and store that digit in an array(say arr[]).

2. Update the value of N by N/10 and repeat the above step till N is not equals to 0.

C Program to Print all digits of a given number - GeeksforGeeks > c-program-to-print-all-digits-of-a-given-number

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How do you find the digits of a number?

To find last digit of a number, we use modulo operator %. When modulo divided by 10 returns its last digit. To finding first digit of a number is little expensive than last digit. To find first digit of a number we divide the given number by 10 until number is greater than 10.

Find first and last digits of a number - GeeksforGeeks > find-first-last-digits-number

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